#558EC9#558EC9

#558EC9 is a light, moderate cyan. Relative luminance 0.255; OKLCH L 63.3% C 0.108 H 250.6°. Best body text is #000000 at 6.10:1 contrast (WCAG AA passes).

Color values

HEX	#558EC9
RGB	rgb(85, 142, 201)
HSL	hsl(211, 52%, 56%)
HSV	hsv(211, 58%, 79%)
CMYK	cmyk(57.7%, 29.4%, 0%, 21.2%)
CIE-LAB	lab(57.55, -1.19, -36.15)
CIE-LCH	lch(57.55, 36.17, 268.12°)
OKLab	oklab(63.29% -0.0357 -0.1017)
OKLCH	oklch(63.29% 0.108 250.6)
XYZ	xyz(23.9581, 25.4923, 58.9050)
Luminance	0.2549 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558EC9 #C99055

analogous

#55C8C9 #558EC9 #5655C9

triadic

#558EC9 #C9558E #8EC955

tetradic

#558EC9 #C955C8 #C99055 #55C956

square

#558EC9 #C955C8 #C99055 #55C956

split-complementary

#558EC9 #C95655 #C8C955

monochromatic

#27517C #366FAB #558EC9 #83ADD8 #B2CCE7

Accessibility & contrast

On white

3.44

#558EC9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.10

#558EC9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558EC9

6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558EC9	#FFFFFF	#000000	##000000
##558EC9	1.00	3.44	6.10	6.10
#FFFFFF	3.44	1.00	21.00	21.00
#000000	6.10	21.00	1.00	1.00
##000000	6.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7591CC

Deuteranopia (green-blind)

#6685C8

Tritanopia (blue-blind)

#009CA3

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #558ec9;
/* rgb */ color: rgb(85, 142, 201);
/* oklch */ color: oklch(63.3% 0.108 250.6);

Tailwind

colors: {
  custom: {
    50: '#8eaed9',
    500: '#558ec9',
    950: '#000000',
  },
}

SCSS

$custom: #558ec9;
$custom-light: #8eaed9;
$custom-dark: #000000;

JSON

{
  "hex": "#558ec9",
  "rgb": {
    "r": 85,
    "g": 142,
    "b": 201
  },
  "hsl": {
    "h": 210.517,
    "s": 51.786,
    "l": 56.078
  },
  "oklch": {
    "l": 0.63294,
    "c": 0.10785,
    "h": 250.6
  },
  "luminance": 0.25494
}

Semantic roles & 50–950 ramp

primary

#558EC9

secondary

#D5BDA5

accent

#954DDB

background

#F9FAFD

surface

#F1F4FA

border

#CBCED3

text

#0D1014

muted

#7E7F83

Preview Lab

Preview with #558EC9

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →